/Engine/Source/Runtime/Engine/Classes/Engine/Level.h
Get the folder containing the external actors for this level path
the folder
static [FString](API\Runtime\Core\Containers\FString) GetExternalActorsPath ( const [FString](API\Runtime\Core\Containers\FString) & InLevelPackageName, const [FString](API\Runtime\Core\Containers\FString) & InPackageShortName )